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Head-to-head · Network Simulation Software

GNS3 vs EVE-NG

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score GNS3 #1 in Network Simulation Software 9.4/10 Free plan Free plan✓ 3 of 3 features Visit GNS3
EVE-NG #3 in Network Simulation Software 9.0/10 Free plan Free plan✓ 3 of 3 features Visit EVE-NG

GNS3 leads on 0 checks, EVE-NG on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGNS3 · 9.4/10
  • Free planboth

GNS3 scores higher on our rubric for network simulation software: 9.4 against 9.0 out of 10; our editors rank them #1 and #3.

On simulation model, GNS3 gives you Hybrid where EVE-NG offers Emulation. On deployment options, EVE-NG gives you Server where GNS3 offers Desktop.

GNS3 is the better fit for free, broad multivendor network labs. EVE-NG is the better fit for large multivendor browser-based labs.

  • GNS3 fits best

    Free, broad multivendor network labs

  • EVE-NG fits best

    Large multivendor browser-based labs

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature GNS3 9.4/10 Visit ↗ EVE-NG 9.0/10 Visit ↗
At a glance
Editor score 9.4 9.0
Ranking #1 in Network Simulation Software #3 in Network Simulation Software
Best for Free, broad multivendor network labs Large multivendor browser-based labs
Pricing model Free Free plan + paid
Starting price Free plan €150/yr
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Self-hosted, Cloud Cloud, Self-hosted
Platforms Web, Windows, macOS, Linux Web, Windows, macOS, Linux
Support Docs, Community Live chat, Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features GNS3 3/3 · EVE-NG 3/3
Real-time emulation ✓ ✓
Hardware-in-the-loop ✓ ✓
Automation API ✓ ✓
Specs
Simulation model Hybrid Emulation
Deployment options Desktop Server
Documented node limit Not checked yet 1024 nodes
Our review
Pros
  • Combines built-in simulation with actual-device emulation
  • Supports local, remote, cloud, and physical-network connections
  • Includes packet capture, Wireshark integration, and a REST API
  • Supports up to 1,024 nodes per lab on paid plans
  • Combines Docker, Wireshark, clustering and link-quality controls
  • Provides multiuser labs, configuration import/export and a REST-style JSON API
Cons
  • Practical scale depends on available hardware
  • Complex labs may require multiple deployment components
  • Actual-device emulation depends on compatible device images
  • The Freemium edition is limited to 7 nodes per EVE instance
  • Freemium accounts are admin-only
  • Base pricing starts at €150 per year, billed annually
Our verdict

GNS3 is open-source software for building, configuring, testing, and troubleshooting virtual and real networks. It is designed for network engineers, students, educators, and organizations that need multivendor topologies, certification…

Read the review →

EVE-NG is a clientless network emulation platform for network, security and DevOps professionals. Enterprises, training providers, individuals and collaborators can use it to build virtual proof-of-concept, testing and training…

Read the review →
  1. GNS3Network Simulation Software 9.4Free plan
  2. EVE-NGNetwork Simulation Software 9.0Free plan

Strengths and trade-offs

  • GNS3 — where it wins

    • Combines built-in simulation with actual-device emulation
    • Supports local, remote, cloud, and physical-network connections
    • Includes packet capture, Wireshark integration, and a REST API

    Where it doesn't

    • Practical scale depends on available hardware
    • Complex labs may require multiple deployment components
    • Actual-device emulation depends on compatible device images
  • EVE-NG — where it wins

    • Supports up to 1,024 nodes per lab on paid plans
    • Combines Docker, Wireshark, clustering and link-quality controls
    • Provides multiuser labs, configuration import/export and a REST-style JSON API

    Where it doesn't

    • The Freemium edition is limited to 7 nodes per EVE instance
    • Freemium accounts are admin-only
    • Base pricing starts at €150 per year, billed annually

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update